area maintenance meaning in English

地区维持费

Snow clearing equipment and road service area maintenance equipment . tool carriers equipped for mowing , clearing of brushwood and hedge clipping . driving and maintenance of tool carriers
扫雪设备和道路服务区域维修设备.割草清扫柴枝和剪断灌木用机架.机架的推进和维修
It decides the protective objectives for different ecological reserve area based on the study of channel wetlands and survey and analysis of top - grade species ( fishes ) of the yellow river : from the point of the basin , the main ecological protective objectives of the tipper stream are vegetation and forest for conservation of water supply ; soil and water conservation is the main in the middle reaches for vegetation protection and rehabilitation and ; the lower reaches takes types of wetlands protection and wetlands area maintenance as the main , protecting biodiversity and important birds resources
在黄河河道湿地研究和黄河水体内顶级物种（鱼类）的调查分析基础上，确定了黄河不同类型生态保护区的生态保护目标：从流域角度而言，黄河上游的主要生态保护目标是植被和水源涵养林；中游应以水土保持为主，主要是恢复和保护植被；下游以保护湿地类型和维持湿地面积为重点，保护生物多样性和重要鸟类资源。